Senior Software Engineer (Python / Agentic AI)

Kelly Services Inc.
Pleasanton, United States of America
7 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

Pleasanton, United States of America

Tech stack

Clean Code Principles
Java
.NET
API
Artificial Intelligence
Amazon Web Services (AWS)
User Authentication
Azure
C Sharp (Programming Language)
Software as a Service
Cloud Computing
Software Quality
Databases
Data Structures
Software Design Patterns
Web Development
Distributed Systems
Identity and Access Management
Python
PostgreSQL
Enterprise Messaging Systems
NoSQL
Open Source Technology
Performance Tuning
Systems Development Life Cycle
RabbitMQ
Software Engineering
Cloud Platform System
Sql Optimization
Reliability of Systems
Backend
Kafka
Virtual Agents
Api Gateway
REST
Amazon Web Services (AWS)
Docker

Requirements

This is a full-time, hybrid opportunity based in Pleasanton, California with a leading enterprise SaaS organization focused on modernizing financial and accounting operations through cloud-based platforms. The role centers on Python, agentic AI, and scalable backend systems, giving you the opportunity to work on high-impact distributed architectures and AI-driven product innovation.

If you are a backend engineer who thrives on building high-performance systems and wants to work at the intersection of AI and enterprise SaaS, this is a strong opportunity for growth. The team is looking for engineers who are passionate about clean code, scalability, and innovation, and who want to mentor others while continuing to expand their own technical depth. You will gain exposure to modern cloud technologies, AI-first development practices, and complex real-world systems, all within a collaborative environment that values continuous learning and excellence. Required Skills & Experience · 5+ years of software engineering experience (or 3+ years with a Master's degree)

· Strong proficiency in Python, Java, C#, or .NET

· Experience building web applications and SaaS platforms

· Hands-on experience with RESTful APIs and distributed systems

· Advanced SQL knowledge including data modeling, transactions, and querying

· Solid understanding of data structures, algorithms, and design patterns

· Experience with Agile/Scrum development methodologies

· Exposure to AI-first or agentic AI development approaches

· Strong focus on code quality, testing, and maintainability Desired Skills & Experience · Experience with cloud platforms such as Azure, AWS, or GCP

· Familiarity with PostgreSQL and NoSQL databases

· Experience with Docker and Kubernetes

· Knowledge of messaging systems such as Kafka, RabbitMQ, or SQS

· Understanding of API gateways, authentication, and identity management

· Experience designing and scaling high-performance systems

· Exposure to open-source tools and frameworks

· Background working in financial systems or similar domains What You Will Be Doing Tech Breakdown · 40% Backend Development (Python, APIs, distributed systems)

· 25% Cloud and Infrastructure (AWS/Azure/GCP, containers, databases)

· 20% AI / Agentic System Development

· 15% Performance Optimization and System Reliability Daily Responsibilities · 70% Hands On Development

· 10% Mentorship and Technical Leadership

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